QA/G-4HW provides guidance on applying the Data Quality Objectives (DQO) process to hazardous waste site investigations. The guidance presents a step-by-step description of the DQO process and its application to sampling designs for environmental remediation and waste management activities.

QA/R-5 defines the requirements and specifications for QA Project Plans (QAPPs) prepared for activities conducted by or funded by EPA. This document has been finalized and replaces QAMS-005/80. R-5 parallels the implementation requirements for QAPPs contained in the EPA Quality Manual for Environmental Programs (EPA Order 5360, July 1998), an internal policy manual.

QA/G-4 provides non-mandatory guidance on developing Data Quality Objectives (DQOs) using a systematic planning process based on the graded approach. The guidance presents a step-by-step description of the DQO process. The Aug 2000 version supercedes the Sept 1994 version.

QA/G-4HW provides guidance on applying the Data Quality Objectives (DQO) process to hazardous waste site investigations. The guidance presents a step-by-step description of the DQO process and its application to sampling designs for environmental remediation and waste management activities.

QA/G-8 provides non-mandatory guidance to assist users in verifying and validating environmental data. The guidance discusses alternative approaches to data validation, including examples of statistics-based validation techniques, and options for verifying that the validated data satisfy relevant claims about their authenticity and quality.

The Uniform Federal Policy for Implementing Environmental Quality Systems (UFP) outlines essential elements of a Quality System for management of environmental data collection and use and environmental technology programs. The policy was developed as a joint initiative between the U.S. Environmental Protection Agency (EPA), the Department of Defense (DoD), and the Department of Energy (DOE) to resolve data quality inconsistencies and/or deficiencies.

QA/G-11 provides guidance for environmental technology projects.This development will be accomplished in two phases. This document provides relevant information on the design, construction, and operation of environmental technology and the quality assurance and quality controls practices needed to support them.